<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>

  <style>
    div {
      width: 236px;
      height: 50px;
      color: #a7a7a7;
      background-color: #2d2e36;
      line-height: 50px;
      padding-left: 46px;
      /* 仅仅改变宽高的设置对象(盒模型) */
      box-sizing: border-box;


    }
  </style>

</head>

<body>
  <div>
    测试页面
  </div>
</body>

</html>